Abstract
The present investigation sought to describe cognitive development in infant chimpanzees. To this end, two infant chimpanzees (Pan troglodytes) were assessed at four-week intervals, beginning at three months and continuing throughout the first year. Using materials suggested by Uzgiris and Hunt, the male and female infants were tested on, object permanence, means-ends relations, operational causality, and object relations. By way of a profile analysis, the sensorimotor abilities of the chimpanzee infants were compared to each other, and bore a striking similarity to published findings on human infants. Furthermore, as the early experiences of the chimpanzee more closcly approximated those of the human infant, the similarities became more apparent.
Published Version
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